body {
    background-image: url("../../img/nku.png");
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-color: white;
    font-family: Arial, sans-serif;
}
#logo {
    display: block;
    margin: 0 auto;
    max-width: 300px;
    margin-bottom: 20px;
}
.form-control {
    width: 50%;
    margin: 0 auto;
    border-radius: 24px;
    padding: 10px 20px;
    font-size: 16px;
    border: 1px solid #dfe1e5;
    box-shadow: none;
    border-radius: 24px;
    padding: 10px 20px;
    font-size: 16px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
}
.btn {
    border-radius: 24px;
}
.form-control {
    border: 1px solid #dfe1e5;
    box-shadow: none;
    border-radius: 24px;
    padding: 10px 20px;
    font-size: 16px;
    margin-bottom: -1px;
    border: 1px solid #dfe1e5;
    box-shadow: 0 1px 6px rgba(0,0,0,0.1);
    padding: 10px 20px;
    font-size: 16px;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

.search-history {
display: none;
position: absolute;
background-color: #ffffff;
box-shadow: 0 4px 6px rgba(32,33,36,0.28);
width: calc(100% - 2px);
top: calc(100% - 1px);
left: 1px;
border-radius: 0 0 24px 24px;
border: 1px solid #dfe1e5;
border-top: none;
max-height: 300px;
overflow-y: auto;
z-index: 1000;
width: 100%;
box-sizing: border-box;
border: 1px solid #dfe1e5;
border-top: none;
border-bottom-right-radius: 24px;
border-bottom-left-radius: 24px;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
margin-top: -1px;
}

.search-history a {
padding: 10px 20px;
display: block;
color: #202124;
font-size: 16px;
line-height: 1.5;
text-decoration: none;
border-bottom: 1px solid #e0e0e0;
padding: 10px 20px;
color: #202124;
font-size: 16px;
line-height: 1.5;
text-decoration: none;
display: block;
border-bottom: 1px solid #e0e0e0;
}

.search-history a:last-child {
border-bottom: none;
}

.search-history a:hover {
background-color: #eee;
}

.input-group {
position: relative;
width: 584px;
margin: 0 auto;
}

.form-control:focus + .search-history,
.search-history:hover {
display: block;
}